Prepainted Rolled Steel Coil for Construction roofing constrution
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 30000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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Structure of Prepainted Rolled steel Coil for Construction Roofing
Description of Prepainted Rolled steel Coil for Construction Roofing
Prepainted Rolled steel Coil is a kind of coated steel coil/sheet. With the cold rolled steel of different strength and thickness as substrate, it is produced through applying Al-Zn coat on both faces by hot dip process. In its coating, Al accounts for about 55%, Si 1.6%, while the remaining is Zn. Aluminum zinc coils enjoys both the physical protective feature and durability of Al and the electrochemical protective property of Zn. And its surface has bright silver color and regular embossed-like figure, which are highly decorative.
Main Feature of Prepainted Rolled steel Coil for Construction Roofing
1.Corrosion resistance: It mainly depends on the aluminum protection. When the zinc being worn, the aluminum will form a dense layer of aluminum oxide, resist corrosion material to prevent further corrosion inside.
2. Heat resistance: Aluminum zinc alloy steel sheet has excellent heat resistance, can withstand high temperatures over 300 centigrade, and is similar with aluminized steel high temperature oxidation resistance. It often used in chimney pipes, ovens, fluorescent lighting device and the device cover.
3. Heat reflective: Galvanized steel plate heat-reflective high rate is twice as galvanized steel, often used to make insulation materials.
4. Economy: Because density of 55% AL-Zn is smaller than the density of Zn, so in the same weight and thickness of Galvanized zinc layer, aluminum-zinc steel plate is larger area more than 3% of galvanized steel sheet.
Applications of Prepainted Rolled steel Coil for Construction Roofing
1. Construction and building: roofing; ventilating duct; handrail; partition panel;etc.
2. Electric appliance: refrigerator; washing machine; refrigerator; DVD;etc.
3.Transportation: oil tank; road sign; etc.
4.Agriculture:barn; etc.
5.Others:vending machine; game machine; etc.
Specifications of Rolled steel Coil for Construction Roofing
Product | Prepainted Rolled steel Coil for Construction Roofing |
Material Grade | SGCC / SGCH / DX51D+AZ, etc |
Thickness | 0.2-3.0mm |
Width | 600-1500mm |
Tolerance | Thickness: +/-0.02mm , Width:+/-2mm |
Zinc-coating | AZ40-150g/m2 |
Technique | Raw material: Hot rolled steel coil --> Cold rolled_>hot dipped galvalume |
Surface | Dried, Chromated, Unoiled |
Spangle | Regular spangle , small spangle, zero spangle |
ID | 508MM |
Coil weight | 10MT max |
Export package | Cardboard inner sleeves, Waterproof paper, galvanized steel covered and steel strip packed |
FAQ of Prepainted Rolled steel Coil for Construction Roofing
We have organized several common questions for our clients，may help you sincerely：
1. What is the minimum order quantity ?
Our MOQ is 50mt for each size. And we will consider to give more discount if you make big order like 1000 tons and more. Further more, the more appropriate payment term your offer the better price we can provide.
2. How long can we receive the product after purchase?
Usually within thirty working days after receiving buyer’s advance payment or LC. We will arrange the factory manufacturing as soon as possible. The cargo readiness usually takes 15-25 days, but the shipment will depend on the vessel situation.
3. How to guarantee the quality of the products？
We have established the international advanced quality management system，every link from raw material to final product we have strict quality test；We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.
- Q: What are the different coil packaging materials used for steel coils?
- The different coil packaging materials used for steel coils include steel strapping, plastic strapping, stretch wrap, and wooden crates.
- Q: What are the different methods of transporting steel coils?
- Depending on factors such as weight, size, and distance, there are various methods available for transporting steel coils. These include: 1. Flatbed trucks: Steel coils can be transported on flatbed trucks, which have a spacious open platform for easy loading and unloading. This option is commonly used for shipments of short to medium distances and provides convenient access to the coils. 2. Rail transport: Steel coils can also be transported by rail using specialized coil cars with curved interiors to securely hold the coils. Rail transport is often preferred for long-distance shipments due to its cost-effectiveness and capacity to handle large quantities. 3. Shipping containers: Steel coils can be loaded into shipping containers for transportation via sea or inland waterways. To prevent movement during transit, the coils are usually secured inside the container using bracing or blocking materials. This method is commonly employed for international shipments and facilitates easy handling and transfer between different modes of transportation. 4. Barges: In some cases, steel coils can be transported on barges along rivers, canals, or other inland waterways. Barges are particularly suitable for large and heavy shipments, offering a cost-effective and efficient means of transportation. 5. Roll-on/roll-off (RoRo) vessels: RoRo vessels are specialized ships designed to transport vehicles and large cargo that can be rolled on and off the ship. Steel coils can be loaded onto trailers or flatbeds and driven onto the vessel, providing a convenient transportation option. 6. Air freight: Although less common due to higher costs, steel coils can also be transported by air. This method is typically used for urgent and time-sensitive shipments or when the distance is too great for other modes of transportation. Air freight offers the advantage of speed and can be a viable option in certain situations. In conclusion, the choice of transportation method for steel coils depends on factors such as cost, distance, time frame, and logistical requirements. Freight forwarders and logistics providers can assist in determining the most suitable method for a specific shipment.
- Q: What are the different methods of tension leveling for steel coils?
- There are several methods of tension leveling for steel coils, each with its own advantages and applications. 1. Roller leveling: This method involves passing the steel coil through a series of rollers under high tension. The rollers are strategically positioned to apply pressure on the coil, effectively stretching and elongating it. Roller leveling is commonly used for thinner gauge coils and is effective in removing coil set, crossbow, and edge wave defects. 2. Stretch leveling: In this method, the steel coil is subjected to a combination of tension and elongation. The coil is gripped by clamps at both ends and then stretched using hydraulic or mechanical devices. This process helps to remove residual stresses, flatten the coil, and improve shape control. Stretch leveling is particularly suitable for thicker gauge coils and can effectively eliminate wavy edges and center buckle. 3. Temper rolling: This method involves passing the steel coil through a series of temper rolls, which apply pressure on the surface of the coil. Temper rolling is primarily used to improve the surface finish of the steel and enhance its mechanical properties. It can also help to reduce coil set and improve flatness. 4. Skin pass rolling: In this method, the steel coil is passed through a series of rolls that apply a light pressure on the surface. Skin pass rolling is typically performed after the primary leveling process to further improve surface finish, enhance flatness, and reduce surface defects such as scratches or marks. 5. Stretcher leveling: This method involves clamping the steel coil at both ends and then applying tension to stretch it. The stretched coil is then held in this position for a period of time to allow for stress relief and shape correction. Stretcher leveling is commonly used for thicker gauge coils and can effectively remove coil set, crossbow, and center buckle. Each of these tension leveling methods offers unique advantages and is suitable for different types of steel coils and specific requirements. The choice of method depends on factors such as coil thickness, desired flatness, surface finish, and the specific defects that need to be corrected.
- Q: How do steel coils contribute to the HVAC industry?
- The HVAC industry relies heavily on steel coils, which play a critical role in the functioning and efficiency of HVAC systems. These coils, often made from high-quality steel like stainless steel or galvanized steel, ensure durability and resist corrosion. One way steel coils contribute to the HVAC industry is by facilitating heat transfer. HVAC systems use coils to transfer heat between the air and a refrigerant. For instance, in air conditioning units, the evaporator coil absorbs heat from the indoor air, while the condenser coil releases heat to the outside air. The steel coils in these units provide a large surface area for efficient heat exchange, allowing for effective cooling or heating of the air. Furthermore, steel coils contribute to the energy efficiency of HVAC systems. By maximizing heat transfer, these coils enable HVAC systems to operate at optimal performance levels while consuming less energy. This not only reduces energy costs for users but also makes HVAC systems more environmentally friendly by minimizing energy consumption and greenhouse gas emissions. Steel coils in HVAC systems also play a role in maintaining indoor air quality. As air passes over the coils, impurities like dust, dirt, or mold can accumulate on the coil's surface. Regular maintenance and cleaning of the coils are essential to prevent the buildup of contaminants that could negatively impact air quality. Properly maintained steel coils ensure clean and healthy indoor air, which is particularly important for commercial buildings, hospitals, and other spaces where air quality is crucial. Additionally, steel coils provide durability and longevity to HVAC systems. Steel is a strong and resilient material that can withstand high temperatures, pressure, and environmental stress. By using steel coils, HVAC systems can operate reliably and efficiently for extended periods, reducing the need for frequent repairs or replacements. Overall, steel coils are indispensable to the HVAC industry. They enable efficient heat transfer, enhance energy efficiency, improve indoor air quality, and provide durability to HVAC systems. Without steel coils, HVAC systems would significantly lose their performance and effectiveness, highlighting the vital role of steel coils in the HVAC industry.
- Q: How do steel coils contribute to the manufacturing of appliances?
- Steel coils play a crucial role in the manufacturing of appliances. These coils are typically made from high-quality steel and are used in various stages of appliance production. Firstly, steel coils are used in the fabrication of appliance components. Manufacturers use these coils to create the outer and inner casings of appliances such as refrigerators, washing machines, and dishwashers. The sturdy nature of steel ensures durability and provides a protective barrier for the inner workings of the appliance. Moreover, steel coils are utilized in the production of appliance parts. These coils are often cut, shaped, and formed into smaller components like brackets, frames, and panels. These parts are essential for the proper functioning of appliances and contribute to their overall performance and longevity. Steel coils also contribute to the manufacturing of appliance doors. The coils are molded and shaped to create the doors, which are crucial for the accessibility and safety of the appliance. Steel doors offer strength, security, and insulation, making them an ideal choice for appliances. Furthermore, steel coils are used in the manufacturing of heating elements and burners in appliances like stoves and ovens. These coils are designed to withstand high temperatures and provide efficient heat transfer, ensuring the appliances can cook or bake food effectively. Overall, steel coils are an integral part of the appliance manufacturing process. They are used to create the outer casings, essential components, doors, and heating elements of appliances. The use of steel in these applications enhances durability, safety, and overall performance, making appliances more reliable and long-lasting.
- Q: How do steel coils contribute to the manufacturing of steel furniture?
- The manufacturing of steel furniture heavily relies on steel coils, which play a critical role. These coils, constructed from top-notch steel, act as the primary raw material for the production of various furniture items. To begin with, the framework and structure of steel furniture are created using steel coils. Manufacturers can easily cut, shape, and weld these coils into different sizes and shapes, allowing them to produce robust and enduring furniture frames. The flexibility of steel coils enables the production of furniture with intricate designs and distinctive shapes, providing both functional and aesthetic value. Additionally, steel coils are utilized to fabricate springs for furniture like sofas and chairs. The elasticity and strength of these steel coils make them ideal for crafting comfortable and supportive seating options. The coils are meticulously shaped and integrated into the furniture, ensuring that the seating surface offers the necessary resilience and flexibility for a comfortable experience. Moreover, steel coils contribute to the overall durability and longevity of steel furniture. Steel is renowned for its high tensile strength and resistance to wear and tear, making it an excellent choice for furniture subjected to heavy use and weight load. By utilizing steel coils, the furniture can endure years of regular use without compromising its structural integrity. Furthermore, steel coils are often treated with various finishes and coatings to enhance their appearance and protect them from corrosion. These coatings can be applied to the coils prior to shaping them into furniture components, guaranteeing that the final product maintains its aesthetic appeal and remains resistant to rust and other forms of damage. In conclusion, steel coils are a vital component in the manufacturing of steel furniture. They provide the necessary strength, flexibility, and durability required to create sturdy furniture frames, comfortable seating surfaces, and long-lasting products. The absence of steel coils would render the production of steel furniture impossible, compromising the quality and performance of the final products.
- Q: What are the common coil packaging methods?
- The common coil packaging methods include shrink wrapping, strapping, banding, and stretch wrapping.
- Q: Steels like YHB-2, MVS-8, and SK-5. Also if you know anything about these steels that would be helpful.
- White steel is a common shorthand name for white paper steel (shirogami hagane) which can be any of several fairly simple high carbon, water hardening steel grades. The carbon content varies by grade, and runs from 0.8 to 1.4%. The range of carbon content within a grade is a tight 0.1%. For example, the carbon content of Shirogami Hagani No1A is specified to be between 1.3 and 1.4%. Each grade also contains 0.1-0.2% silicon and 0.2-0.3% manganese, and only trace amounts of the impurities sulfur and phosphorus. Blue paper steel (aogami hagane) is also offered in several grades, with carbon content ranging similarly to the white grades. However, blue steel contains the additional alloying elements chromium and tungsten, and one grade (aogami super) also contains molybdenum and vanadium. The blue steels can be quenched in water or oil, whereas most of the white grades need a faster quench and require water.
- Q: How are steel coils used in the manufacturing of heat shields?
- Steel coils are used in the manufacturing of heat shields to provide a durable and sturdy base material that can withstand high temperatures. The coils are formed into a specific shape and then coated with heat-resistant materials to create a protective barrier against heat and flames.
- Q: Are steel coils used in automotive manufacturing?
- Yes, steel coils are commonly used in automotive manufacturing. They are used to produce various components such as body panels, chassis parts, and suspension components. The high tensile strength and durability of steel make it an ideal material for creating safe and robust automobiles.
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Prepainted Rolled Steel Coil for Construction roofing constrution
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 30000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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